$*fieldlist
FieldBlock -> Open FieldList } ${ $0 = $<2; }$
| Open SimpleFieldList } ${ $0 = $<2; }$
| : FieldList $$NEWLINE ${ $0 = $<2; }$
FieldList -> FieldLines ${ $0 = $<1; }$
$*fieldlist
FieldBlock -> Open FieldList } ${ $0 = $<2; }$
| Open SimpleFieldList } ${ $0 = $<2; }$
| : FieldList $$NEWLINE ${ $0 = $<2; }$
FieldList -> FieldLines ${ $0 = $<1; }$